CODEWITHSUNDEEP
pythonpython-3.xfileprinting
hylkest
hylkest

Reputation: 43

Printing my realtime output to txt file doesnt work python

My script prints every second the bitcoin price but i want the output printed to my txt file but it prints only 1 price to the txt file but i want every output to my txt file

My code

import bs4
import requests
from bs4 import BeautifulSoup
import datetime

x = datetime.datetime.now()

def parsePrice():
    r = requests.get('http://finance.yahoo.com/quote/BTC-USD?p=BTC-USD',
                     verify=False)
    soup =\
        bs4.BeautifulSoup(r.text)
    price =\
        soup.find_all('div', {'class': 'D(ib) smartphone_Mb(10px) W(70%) W(100%)--mobp smartphone_Mt(6px)'})[0].\
            find('span').text
    return price


while True:
    print('Bitcoin prijs: ' + str(parsePrice()),'  ::  ',x.strftime("%d, %B"))

     with open("koersen.txt", "w") as out_file:
       for i in range(len(parsePrice())):
          out_string = ""
            out_string += str(parsePrice())
          out_string += "," + str(a)
            out_string += "\n"
          out_file.write(out_string)

Upvotes: 1

Views: 92

Answers (3)

eMad
eMad

Reputation: 1008

Here

with open("koersen.txt", "w") as out_file:

You are openning file in write mode. So it overwrites all the previous data. Open it in append mode: "a" or "w+"

Update

Try writing to your file like this:


while True:
    print('Bitcoin prijs: ' + str(parsePrice()),'  ::  ',x.strftime("%d, %B"))

    with open("koersen.txt", "w+") as out_file:
        out_string = str(parsePrice()) + "\n"
        out_file.write(out_string)

Upvotes: 2

Ronald Das
Ronald Das

Reputation: 1277

Instead of opening a file, you can also directly log to STDOUT console and then use tee to write to a file direclty.This will allow you view the lines in the terminal directly and also save to file. For this you just need print statements in and your file. and your final command will be python file.py | tee output.txt

Upvotes: 0

DeshDeep Singh
DeshDeep Singh

Reputation: 1843

First of all welcome to Stackoverflow. You can try changing below code and then let me know if it works for you.

 with open("koersen.txt", "w") as out_file:
   for i in range(len(parsePrice())):
      out_string = ""
        out_string += str(parsePrice())
      out_string += "," + str(a)
        out_string += "\n"
      out_file.writelines(out_string)

instead of write, use writelines.

Upvotes: 0

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